// http://bennirafvirki.is/sensors/ui/readings // Working well as a draft, the code need to be clean. #ifdef ESP32 // Import required libraries #include #else #include #include #include #include #include #endif #include #include #define ONE_WIRE_BUS 4 // Data wire is connected to GPIO 4 = pin D2 OneWire oneWire(ONE_WIRE_BUS); // Setup a oneWire instance to communicate with any OneWire devices DallasTemperature sensors(&oneWire); // Pass our oneWire reference to Dallas Temperature sensor //#include #include #include //#define SERVER_IP "bennirafvirki.is" // Replaced parameters // Rikki const char* ssid = "Asus2"; //network credentials const char* password = "lukas1234"; /* // F7 const char* ssid = "Hringdu-2.4G-2dfM"; //network credentials F7 const char* password = "8hs9gmmV"; */ const int tmin = -3; // min temperature const int tmax = 3; // max temperature String address = "electropepper"; int time_of_delay = 50000; //if 50000 ms, than will measure each minute interval // pinout D0=pin16; D1=pin5/GPIO5; D2=pin4/GPIO4; D3=0/Flash; D4=2/Tx1; D5=14; D6=12; D7=13=Rx2; D8=15=Tx2; D9=3=Rx0; D10=1=Tx0; //const int relay1 = 5; //pin D1 = GPIO5 , relay 1 //const int relay2 = 14; //pin D5 = GPIO14, relay 2 const int relay1 = 16; const int relay2 = 5; /// Serial port for debugging purposes Serial.begin(115200); Serial monitoring AsyncWebServer server(80); // Create AsyncWebServer object on port 80 String readDSTemperatureC() // Call sensors.requestTemperatures() to issue a global temperature and Requests to all devices on the bus { sensors.requestTemperatures(); float tempC = sensors.getTempCByIndex(0); if (tempC == -127.00 || tempC == 85.00 ) { Serial.println("Failed to read from DS18B20 sensor"); ///////////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////could you created README.MD file in your project folder with those notes? return "--"; } else { //Serial.print("Temperature Celsius: "); //Serial.print(tempC); } return String(tempC); } const char index_html[] PROGMEM = R"rawliteral(

Fifusel, Reykjavik

Temperature Celsius %TEMPERATUREC% ^°C

Heaters are ON between -3 and 3 celcius

Design by tech company Raspjavik.is

Produced by Electropepper.is

Instalation by Bennirafvirki.is

)rawliteral"; String processor(const String& var) // Replaces placeholder with DHT values { //Serial.println(var); if (var == "TEMPERATUREC") { return readDSTemperatureC(); } return String(); } void setup() { pinMode(relay1, OUTPUT); digitalWrite(relay1, LOW); pinMode(relay2, OUTPUT); digitalWrite(relay2, LOW); Serial.begin(115200); // Serial port for debugging purposes ( baud) Serial.println(); sensors.begin(); // Start up the DS18B20 library WiFi.begin(ssid, password); // Connect to Wi-Fi Serial.println("Connecting to WiFi"); while (WiFi.status() != WL_CONNECTED) { delay(500); Serial.print("."); } Serial.println(); Serial.println(WiFi.localIP()); // Print ESP Local IP Address 192.168.1.18 server.on("/", HTTP_GET, [](AsyncWebServerRequest * request) // Route for root / web page { request->send_P(200, "text/html", index_html, processor); }); server.on("/temperaturec", HTTP_GET, [](AsyncWebServerRequest * request) { request->send_P(200, "text/plain", readDSTemperatureC().c_str()); }); server.begin(); // Start server } void loop() { float tempC = sensors.getTempCByIndex(0); if (tempC > tmin && tempC < tmax) { digitalWrite(relay1, LOW); digitalWrite(relay2, LOW); Serial.print("Temperature is "); Serial.print(tempC); Serial.println(" Celcius and the heaters are ON "); } else { digitalWrite(relay1, HIGH); digitalWrite(relay2, HIGH); Serial.print("Temperature is "); Serial.print(tempC) ; Serial.println(" Celcius and the heaters are OFF "); } delay(10000); // wait for WiFi connection if ((WiFi.status() == WL_CONNECTED)) { WiFiClient client; HTTPClient http; Serial.print("[HTTP] begin...\n"); // configure traged server and url /////////////////////////////////////////////////////////////////////////////////////////////////////////// //could you created README.MD file in your project folder with those notes? //change to: if tempC is between min and max, so it´s: 0 (OFF), 1 (ON), 2 sensor disconnected, 3 wire or resistance fail, 4 // if tempC = -127, sensor or resistance disconnect, if tempC = 85, sensor int sensor_status = 0; String link1 = "http://bennirafvirki.is/sensors/add/temperature/"; String link2 = String(tempC,DEC%4); String link3 = "/address/"; String link4 = String(address); String link5 = "/state/"; String link6 = String(sensor_status,DEC); String link = link1 + link2 + link3 + link4 + link5 + link6 ; http.begin(client,link); //Serial.print(link); http.addHeader("Content-Type", "application/json"); Serial.print("[HTTP] POST...\n"); // start connection and send HTTP header and body int httpCode = http.POST("{\"hello\":\"world\"}"); // httpCode will be negative on error if (httpCode > 0) { // HTTP header has been send and Server response header has been handled Serial.printf("[HTTP] POST... code: %d\n", httpCode); // file found at server if (httpCode == HTTP_CODE_OK) { const String& payload = http.getString(); Serial.println("received payload:\n<<"); Serial.println(payload); Serial.println(">>"); } } else { Serial.printf("[HTTP] POST... failed, error: %s\n", http.errorToString(httpCode).c_str()); } http.end(); } delay(time_of_delay); }